To cite spGARCH in publications use:

Otto P, Schmid W, Garthoff R (2018). “Generalised spatial and spatiotemporal autoregressive conditional heteroscedasticity.” Spatial Statistics, 26, 125–145. https://doi.org/10.1016/j.spasta.2018.07.005.

Otto P (2019). “spGARCH: An R-Package for Spatial and Spatiotemporal ARCH and GARCH models.” To appear: The R Journal.

Corresponding BibTeX entries:

  @Article{,
    title = {Generalised spatial and spatiotemporal autoregressive
      conditional heteroscedasticity},
    author = {Philipp Otto and Wolfgang Schmid and Robert Garthoff},
    journal = {Spatial Statistics},
    year = {2018},
    volume = {26},
    pages = {125--145},
    url = {https://doi.org/10.1016/j.spasta.2018.07.005},
  }

  @Article{,
    title = {spGARCH: An R-Package for Spatial and Spatiotemporal ARCH
      and GARCH models},
    author = {Philipp Otto},
    journal = {To appear: The R Journal},
    year = {2019},
  }